I didn't believe the tree. I've seen too many errors in those trees.
Well, yes. Good thing you asked.
I googled "Charles William Fidler" and only got one in America.
We can check the deaths in NSW. I noticed it had no death for Kay.
Charles died young but it does not say where or when. Neither of these so perhaps he died in India.
Deaths Mar 1908
Fidler Charles 0 Stockport 8a 28
Deaths Jun 1908
FIDLER Charles 65 Wokingham 2c 226
Marriages Jun 1904
Fidler Charles William Prestwich 8d 698
Jones Christina Robertson Prestwich 8d 698 ** 2nd marriage
Births Mar 1905
Fidler Rosabel Catherine Chorlton 8c 776